Characterization of polarimetric based three axis atomic magnetometer

被引：16
|
作者：
Pradhan, Swarupananda [1 ,2 ]
Behera, Rita [1 ,2 ]
机构：
[1] Bhabha Atom Res Ctr, Laser & Plasma Technol Div, Mumbai 400085, Maharashtra, India
[2] Homi Bhabha Natl Inst, Mumbai 400094, Maharashtra, India
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 2019年 / 290卷
关键词：
Atomic magnetometer; Bloch equation; Laser frequency stabilization; Polarimetry; Lissajous plot;
D O I：
10.1016/j.sna.2019.03.004
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The operation of polarimetric based single beam three axis atomic magnetometer is studied. The magnetometer operates in presence of small bias magnetic field. Its salient features are compared with the analysis of Bloch equation. The sensitivity of the device along three orthogonal directions are measured in low frequency regime, where 1/f noise adversely affect the sensitivity. The crosstalk among the three axes magnetic field measurements and relative phase shifts are analysed using Lissajous plot. The sensitivity of the magnetometer is found to be < 20 pT Hz(-1/2) @400 mHz in any direction. The investigated magnetometer is suitable for space application, where overall size of the device is of prime importance. (C) 2019 Elsevier B.V. All rights reserved.
引用
收藏
页码：48 / 53
页数：6
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